## Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole

# Chapter 1 - Section 1.5 - Equations - 1.5 Exercises - Page 56: 4

#### Answer

(a) x=0, x=4 (b) factor

#### Work Step by Step

(a)$0^2$=0, $(4-4)$=0 LS=RS (b)factor out $x^2$ $x^2(x-4)$=0

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